204042303434 has 16 divisors (see below), whose sum is σ = 316353457440. Its totient is φ = 98647845360.

The previous prime is 204042303433. The next prime is 204042303467. The reversal of 204042303434 is 434303240402.

It is a junction number, because it is equal to n+sod(n) for n = 204042303397 and 204042303406.

It is not an unprimeable number, because it can be changed into a prime (204042303433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14166344 + ... + 14180739.

It is an arithmetic number, because the mean of its divisors is an integer number (19772091090).

Almost surely, 2^204042303434 is an apocalyptic number.

204042303434 is a deficient number, since it is larger than the sum of its proper divisors (112311154006).

204042303434 is a wasteful number, since it uses less digits than its factorization.

204042303434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28347205.

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 204042303434 its reverse (434303240402), we get a palindrome (638345543836).

The spelling of 204042303434 in words is "two hundred four billion, forty-two million, three hundred three thousand, four hundred thirty-four".